Answer:
The word that best fits the definition, 'Denial of equal treatment to individuals based on their group membership' is Discrimination.
Explanation:
When a person or a group of people are being treated unequally on the grounds of their race, religion, age, or sex, that's when discrimination takes place. Denial of equal treatment can also be seen as unfairness or being biased.
Time and again we come across incidents where a group of people are being treated unfairly or are being discriminated mainly because they belong to different group.
